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Describe the similarities and differences between haemoglobin and collagen.

Similarities:Both have a quaternary structure (consisting of more than one polypeptide).Both are found in animals (haemoglobin is found in blood and collagen is found in the muscles, skin, bones and tend...

Answered by Shannon M. • Biology tutor

37022 Views

Explain the resistance to bromination of benzene in comparison to phenol.

In phenol, one of the lone pairs of electrons in a p-orbital of the oxygen atom in the -OH group overlaps with the delocalised ring of electrons in the ring. This lone pair is partially d...

Answered by Cerys H. • Chemistry tutor

4012 Views

Translate the following into English: Me gusta ir de vacaciones con mi familia. También me encanta ir a la playa y nadar en el mar, especialmente cuando hace calor.

I like to go on holidays with my family. Also i love going (or to go) to the beach and swim in the ocean, especially when it is hot.

Answered by Dapika R. • Spanish tutor

4579 Views

differentiate y=8x^3 - 4*x^(1/2) + (3x^2 + 2)/x

y= 24x^2 - 2x^(-1/2) + 3 - 2x^-2

Answered by Abubakar M. • Maths tutor

6308 Views

With reference to a river catchment that you have studied, assess the potential impact of human activity upon the drainage basin

As cities expand through increasing urbanisation, the impacts of human activity on the drainage basin and, subsequently, flood risk are becoming clearer. From clearance of forest to covering of land with ...

Answered by Daniel B. • Geography tutor

15798 Views